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gpx_export.lua: Create a separate <trk> for each source folder

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Jannis_V
2018-06-24 18:20:51 +02:00
parent 71fbf5705c
commit ded24e8037
1 changed files with 38 additions and 21 deletions
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59
contrib/gpx_export.lua
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@@ -18,7 +18,8 @@
Simple darktable GPX generator script
This script generates a GPX track from all images having GPS latitude
and longitude information
and longitude information.
For each source folder, a separate <trk> is generated in the gpx file.
]]
local dt = require "darktable"
@@ -60,44 +61,60 @@ local function create_gpx_file()
job = dt.gui.create_job(_("gpx export"), true, stop_job)
local gpx_file = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>\n"
gpx_file = gpx_file.."<gpx xmlns=\"http://www.topografix.com/GPX/1/1\" creator=\"Darktable GPX Exporter\"\n version=\"1.1\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\">\n"
gpx_file = gpx_file.."\t<trk>\n"
gpx_file = gpx_file.."\t\t<trkseg>\n";
local sel_images = dt.gui.action_images
for key,image in dl.spairs(sel_images, function(t, a, b) return t[b].exif_datetime_taken > t[a].exif_datetime_taken end) do
local segments = {}
for key,image in dl.spairs(sel_images, function(t, a, b) return t[b].path > t[a].path end) do
if(job.valid) then
print(image.path)
if (job.valid) then
job.percent = (key - 1) / #sel_images
if ((image.longitude and image.latitude) and
(image.longitude ~= 0 and image.latitude ~= 90) -- Just in case
) then
if (segments[image.path] == nil) then
segments[image.path] = {}
end
if(image.exif_datetime_taken == "") then
if (image.exif_datetime_taken == "") then
dt.print(image.path.."/"..image.filename.._(" does not have date information and won't be processed"))
print(image.path.."/"..image.filename.._(" does not have date information and won't be processed")) -- Also print to terminal
else
date_format = "(%d+):(%d+):(%d+) (%d+):(%d+):(%d+)"
my_year, my_month, my_day, my_hour, my_min, my_sec = image.exif_datetime_taken:match(date_format)
local my_timestamp = os.time({year=my_year, month=my_month, day=my_day, hour=my_hour, min=my_min, sec=my_sec})
gpx_file = gpx_file.."\t\t\t<trkpt lat=\""..string.gsub(tostring(image.latitude), ",", ".").."\" lon=\""..string.gsub(tostring(image.longitude), ",", ".").."\">\n"
gpx_file = gpx_file.."\t\t\t\t<time>"..os.date("!%Y-%m-%dT%H:%M:%SZ",my_timestamp).."</time>\n"
gpx_file = gpx_file.."\t\t\t</trkpt>\n"
segments[image.path][image.filename] = image
end
end
else
break
else
break
end
end
local gpx_file = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>\n"
gpx_file = gpx_file.."<gpx xmlns=\"http://www.topografix.com/GPX/1/1\" creator=\"Darktable GPX Exporter\"\n"
gpx_file = gpx_file.."version=\"1.1\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
gpx_file = gpx_file.."xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\">\n"
for key, folder in dl.spairs(segments) do
gpx_file = gpx_file.."\t<trk>\n"
gpx_file = gpx_file.."\t\t<name>"..key.."</name>\n";
gpx_file = gpx_file.."\t\t<trkseg>\n";
for key2, image in dl.spairs(folder, function(t, a, b) return t[b].exif_datetime_taken > t[a].exif_datetime_taken end) do
date_format = "(%d+):(%d+):(%d+) (%d+):(%d+):(%d+)"
my_year, my_month, my_day, my_hour, my_min, my_sec = image.exif_datetime_taken:match(date_format)
local my_timestamp = os.time({year=my_year, month=my_month, day=my_day, hour=my_hour, min=my_min, sec=my_sec})
gpx_file = gpx_file.."\t\t\t<trkpt lat=\""..string.gsub(tostring(image.latitude), ",", ".").."\" lon=\""..string.gsub(tostring(image.longitude), ",", ".").."\">\n"
gpx_file = gpx_file.."\t\t\t\t<time>"..os.date("!%Y-%m-%dT%H:%M:%SZ", my_timestamp).."</time>\n"
gpx_file = gpx_file.."\t\t\t\t<name>"..image.path.."/"..image.filename.."</name>\n"
gpx_file = gpx_file.."\t\t\t</trkpt>\n"
end
gpx_file = gpx_file.."\t\t</trkseg>\n";
gpx_file = gpx_file.."\t</trk>\n";
end
job.valid = false
gpx_file = gpx_file.."\t\t</trkseg>\n";
gpx_file = gpx_file.."\t</trk>\n";
gpx_file = gpx_file.."</gpx>\n";
local file = io.open(path, "w")